Mercurial > hg > graal-compiler
view graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64PrefetchOp.java @ 17332:6e590e01ecf9
Truffle: make preliminary inlining decisions with the best possible characteristics to avoid the exploration of unneccessary pathes in the inlining tree for context sensitive inlining.
author | Christian Humer <christian.humer@gmail.com> |
---|---|
date | Fri, 03 Oct 2014 16:22:48 +0200 |
parents | 96bb07a5d667 |
children | 8fc336a04d77 |
line wrap: on
line source
/* * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.hotspot.amd64; import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*; import com.oracle.graal.asm.amd64.*; import com.oracle.graal.compiler.common.*; import com.oracle.graal.lir.amd64.*; import com.oracle.graal.lir.asm.*; public class AMD64PrefetchOp extends AMD64LIRInstruction { private final int instr; // AllocatePrefetchInstr @Alive({COMPOSITE}) protected AMD64AddressValue address; public AMD64PrefetchOp(AMD64AddressValue address, int instr) { this.address = address; this.instr = instr; } @Override public void emitCode(CompilationResultBuilder crb, AMD64MacroAssembler masm) { switch (instr) { case 0: masm.prefetchnta(address.toAddress()); break; case 1: masm.prefetcht0(address.toAddress()); break; case 2: masm.prefetcht2(address.toAddress()); break; case 3: masm.prefetchw(address.toAddress()); break; default: throw GraalInternalError.shouldNotReachHere("unspported prefetch op " + instr); } } }